<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<form action="http://192.168.2.101:80/twofactorcode/" method="post">
    <input name="mfacode" type="text">请输入验证码
    <input name="submit" type="submit" value="验证">
</form>
</body>
</html>